4:00 p.m.Optimal Control of Immunotherapy.K. Renee Fister*, Murray State University
Thalya Burden, University of Kentucky
Jon Ernstberger, North Carolina State University
Jennifer Hughes, Murray State University
(999-34-19)

4:00 p.m.Translation equivalence in free groups.Ilya Kapovich*, University of Illinois at Urbana-Champaign
Gilbert Levitt, Universite de Caen
Paul Schupp, University of Illinois at Urbana-Champaign
Vladimir Shpilrain, City College of the City University of New York
(999-20-117)

8:30 a.m.Largest Circuits in Matroids.Nolan McMurray, University of North Carolina at Wilmington
Talmage J Reid*, The University of Mississippi
Wei Bing, The University of Mississippi
Bryan Williams, The University of Mississippi
Haidong Wu, The University of Mississippi
(999-05-198)